1
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He J, Li Z, Li R, Kou X, Liu D, Zhang W. Bimetallic Ru/Ru-Catalyzed Asymmetric One-Pot Sequential Hydrogenations for the Stereodivergent Synthesis of Chiral Lactones. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2400621. [PMID: 38509867 PMCID: PMC11187880 DOI: 10.1002/advs.202400621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 02/23/2024] [Indexed: 03/22/2024]
Abstract
Asymmetric sequential hydrogenations of α-methylene γ- or δ-keto carboxylic acids are established in one-pot using a bimetallic Ru/Ru catalyst system, achieving the stereodivergent synthesis of all four stereoisomers of both chiral γ- and δ-lactones with two non-vicinal carbon stereocenters in high yields (up to 99%) and with excellent stereoselectivities (up to >99% ee and >20:1 dr). The compatibility of the two chiral Ru catalyst systems is investigated in detail, and it is found that the basicity of the reaction system plays a key role in the sequential hydrogenation processes. The protocol can be performed on a gram-scale with a low catalyst loading (up to 11000 S/C) and the resulting products allow for many transformations, particularly for the synthesis of several key intermediates useful for the preparation of chiral drugs and natural products.
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Affiliation(s)
- Jingli He
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Zhaodi Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Ruhui Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Xuezhen Kou
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Delong Liu
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsSchool of PharmacyShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
- Frontiers Science Center for Transformative MoleculesSchool of Chemistry and Chemical EngineeringShanghai Jiao Tong University800 Dongchuan RoadShanghai200240China
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2
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Parte LG, Fernández S, Sandonís E, Guerra J, López E. Transition-Metal-Catalyzed Transformations for the Synthesis of Marine Drugs. Mar Drugs 2024; 22:253. [PMID: 38921564 PMCID: PMC11204618 DOI: 10.3390/md22060253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/23/2024] [Accepted: 05/25/2024] [Indexed: 06/27/2024] Open
Abstract
Transition metal catalysis has contributed to the discovery of novel methodologies and the preparation of natural products, as well as new chances to increase the chemical space in drug discovery programs. In the case of marine drugs, this strategy has been used to achieve selective, sustainable and efficient transformations, which cannot be obtained otherwise. In this perspective, we aim to showcase how a variety of transition metals have provided fruitful couplings in a wide variety of marine drug-like scaffolds over the past few years, by accelerating the production of these valuable molecules.
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Affiliation(s)
- Lucía G. Parte
- Department of Organic Chemistry, Science Faculty, University of Valladolid (UVa), Paseo de Belén 7, 47011 Valladolid, Spain; (L.G.P.); (E.S.)
| | - Sergio Fernández
- Department of Chemistry, School of Physical and Chemical Sciences, Queen Mary University of London (QMUL), Mile End Road, London E1 4NS, UK;
| | - Eva Sandonís
- Department of Organic Chemistry, Science Faculty, University of Valladolid (UVa), Paseo de Belén 7, 47011 Valladolid, Spain; (L.G.P.); (E.S.)
| | - Javier Guerra
- Department of Organic Chemistry, Science Faculty, University of Valladolid (UVa), Paseo de Belén 7, 47011 Valladolid, Spain; (L.G.P.); (E.S.)
| | - Enol López
- Department of Organic Chemistry, ITAP, School of Engineering (EII), University of Valladolid (UVa), Dr Mergelina, 47002 Valladolid, Spain
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3
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Zhang H, Li X, Hui Z, Huang S, Cai M, Shi W, Lin Y, Shen J, Sui M, Lai Q, Shao Z, Dou J, Luo X, Ge Y, Tang X. A Semisynthesis Platform for the Efficient Production and Exploration of Didemnin-Based Drugs. Angew Chem Int Ed Engl 2024; 63:e202318784. [PMID: 38291557 DOI: 10.1002/anie.202318784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/28/2024] [Accepted: 01/30/2024] [Indexed: 02/01/2024]
Abstract
Plitidepsin (or dehydrodidemnin B), an approved anticancer drug, belongs to the didemnin family of cyclic depsipeptides, which are found in limited quantities in marine tunicate extracts. Herein, we introduce a new approach that integrates microbial and chemical synthesis to generate plitidepsin and its analogues. We screened a Tistrella strain library to identify a potent didemnin B producer, and then introduced a second copy of the didemnin biosynthetic gene cluster into its genome, resulting in a didemnin B titer of approximately 75 mg/L. Next, we developed two straightforward chemical strategies to convert didemnin B into plitidepsin, one of which involved a one-step synthetic route giving over 90 % overall yield. Furthermore, we synthesized 13 new didemnin derivatives and three didemnin probes, enabling research into structure-activity relationships and interactions between didemnin and proteins. Our study highlights the synergistic potential of biosynthesis and chemical synthesis in overcoming the challenge of producing complex natural products sustainably and at scale.
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Affiliation(s)
- Haili Zhang
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
| | - Xuyang Li
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
| | - Zhen Hui
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
| | - Shipeng Huang
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, 518000, Shenzhen, China
| | - Mingwei Cai
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
| | - Wenguang Shi
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
| | - Yang Lin
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
| | - Jie Shen
- College of Life Science and Technology, China Pharmaceutical University, 211198, Nanjing, China
| | - Minghao Sui
- College of Life Science and Technology, China Pharmaceutical University, 211198, Nanjing, China
| | - Qiliang Lai
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184 Daxue Road, 361005, Xiamen, China
| | - Zongze Shao
- Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, 184 Daxue Road, 361005, Xiamen, China
| | - Jie Dou
- College of Life Science and Technology, China Pharmaceutical University, 211198, Nanjing, China
| | - Xiaozhou Luo
- Center for Synthetic Biochemistry, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, 518055, Shenzhen, China
| | - Yun Ge
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, 518055, Shenzhen, China
| | - Xiaoyu Tang
- Institute of Chemical Biology, Shenzhen Bay Laboratory, 518132, Shenzhen, China
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4
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Weigelt V, Vogl S, Schmidt J, Thomas A. A Triphenylphosphine-Based Microporous Polymer for a Wittig Reaction Cycle in the Solid State. Angew Chem Int Ed Engl 2023; 62:e202307818. [PMID: 37460443 DOI: 10.1002/anie.202307818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 07/14/2023] [Indexed: 08/24/2023]
Abstract
The Wittig reaction is a key step in industrial processes to synthesise large quantities of vitamin A and various other important chemicals that are used in daily life. This article presents a pathway to achieve the Wittig reaction in a solid network. A highly porous triphenylphosphine-based polymer was applied as a solid Wittig reagent that undergoes, in a multi-step cycle, in total six post-synthetic modifications. This allowed for regeneration of the solid Wittig reagent and reuse for the same reaction cycle. Of particular industrial relevance is that the newly developed material also enables a simple way of separating the product by filtration. Therefore, additional costly and difficult separation and purification steps are no longer needed.
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Affiliation(s)
- Vincent Weigelt
- Department of Chemistry/Functional Materials, Technische Universität Berlin, Hardenbergstraße 40, 10623, Berlin, Germany
| | - Sarah Vogl
- Department of Chemistry/Functional Materials, Technische Universität Berlin, Hardenbergstraße 40, 10623, Berlin, Germany
| | - Johannes Schmidt
- Department of Chemistry/Functional Materials, Technische Universität Berlin, Hardenbergstraße 40, 10623, Berlin, Germany
| | - Arne Thomas
- Department of Chemistry/Functional Materials, Technische Universität Berlin, Hardenbergstraße 40, 10623, Berlin, Germany
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5
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Wang X, Ji Z, Liu J, Wang B, Jin H, Zhang L. Advances in Organocatalytic Asymmetric Reactions Involving Thioesters. ACTA CHIMICA SINICA 2023. [DOI: 10.6023/a22100422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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6
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(−)-Agelasidine A Induces Endoplasmic Reticulum Stress-Dependent Apoptosis in Human Hepatocellular Carcinoma. Mar Drugs 2022; 20:md20020109. [PMID: 35200638 PMCID: PMC8875608 DOI: 10.3390/md20020109] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 12/16/2022] Open
Abstract
Liver cancers, such as hepatocellular carcinoma (HCC), are a highly prevalent cause of cancer-related deaths. Current treatments to combat liver cancer are limited. (−)-Agelasidine A, a compound isolated from the methanol extract of Agelasnakamurai, a sesquiterpene guanidine derived from sea sponge, has antibacterial activity. We demonstrated its anticancer capabilities by researching the associated mechanism of (−)-agelasidine A in human liver cancer cells. We found that (−)-agelasidine A significantly reduced viability in Hep3B and HepG2 cells, and we determined that apoptosis was involved in the (−)-agelasidine A-induced Hep3B cell deaths. (−)-Agelasidine A activated caspases 9, 8, and 3, as well as PARP. This effect was reversed by caspase inhibitors, suggesting caspase-mediated apoptosis in the (−)-agelasidine A-treated Hep3B cells. Moreover, the reduced mitochondrial membrane potential (MMP) and the release of cytochrome c indicated that the (−)-agelasidine A-mediated mitochondrial apoptosis was mechanistic. (−)-Agelasidine A also increased apoptosis-associated proteins (DR4, DR5, FAS), which are related to extrinsic pathways. These events were accompanied by an increase in Bim and Bax, proteins that promote apoptosis, and a decrease in the antiapoptotic protein, Bcl-2. Furthermore, our results presented that (−)-agelasidine A treatment bridged the intrinsic and extrinsic apoptotic pathways. Western blot analysis of Hep3B cells treated with (−)-agelasidine A showed that endoplasmic reticulum (ER) stress-related proteins (GRP78, phosphorylated PERK, phosphorylated eIF2α, ATF4, truncated ATF6, and CHOP) were upregulated. Moreover, 4-PBA, an ER stress inhibitor, could also abrogate (−)-agelasidine A-induced cell viability reduction, annexin V+ apoptosis, death receptor (DR4, DR5, FAS) expression, mitochondrial dysfunction, and cytochrome c release. In conclusion, by activating ER stress, (−)-agelasidine A induced the extrinsic and intrinsic apoptotic pathways of human HCC.
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7
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Lam NYS, Stockdale TP, Anketell MJ, Paterson I. Conquering peaks and illuminating depths: developing stereocontrolled organic reactions to unlock nature's macrolide treasure trove. Chem Commun (Camb) 2021; 57:3171-3189. [PMID: 33666631 DOI: 10.1039/d1cc00442e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structural complexity and biological importance of macrolide natural products has inspired the development of innovative strategies for their chemical synthesis. With their dense stereochemical content, high level of oxygenation and macrocyclic cores, we viewed the efficient total synthesis of these valuable compounds as an aspirational driver towards developing robust methods and strategies for their construction. Starting out from the initial development of our versatile asymmetric aldol methodology, this personal perspective reflects on an adventurous journey, with all its trials, tribulations and serendipitous discoveries, across the total synthesis, in our group, of a representative selection of six macrolide natural products of marine and terrestrial origin - swinholide A, spongistatin 1, spirastrellolide A, leiodermatolide, chivosazole F and actinoallolide A.
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Affiliation(s)
- Nelson Y S Lam
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
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8
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Zhang Y, Guo J, Huang J, Fu Z. N-Heterocyclic Carbene-Catalyzed [4+2] Annulation of Acetates and β-Silyl Enones: Highly Enantioselective Synthesis of β-Silyl δ-Lactones. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202105002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Boiarska Z, Passarella D. Microtubule-targeting agents and neurodegeneration. Drug Discov Today 2020; 26:604-615. [PMID: 33279455 DOI: 10.1016/j.drudis.2020.11.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/17/2020] [Accepted: 11/28/2020] [Indexed: 11/25/2022]
Abstract
The association of microtubule (MT) breakdown with neurodegeneration and neurotoxicity has provided an emerging therapeutic approach for neurodegenerative diseases. Tubulin binders are able to modulate MT dynamics and, as a result, are of particular interest both as potential therapeutics and experimental tools used to validate this strategy. Here, we provide a comprehensive overview of current knowledge and recent advancements regarding MT-targeting approaches for neurodegeneration and evaluate the potential application of MT-targeting agents (MTAs) based on available preclinical and clinical data.
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Affiliation(s)
- Zlata Boiarska
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Daniele Passarella
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy.
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10
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Affiliation(s)
- Debjani Si
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Krishna P. Kaliappan
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
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11
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Abstract
A concise stereoselective approach to functionalized δ-lactone skeleton from monosilylated ethylene glycol as a starting material and its application to the asymmetric total synthesis of (−)-trans-aerangis lactone have been demonstrated. The synthesis utilizes the organocatalyzed MacMillan’s cross aldol reaction as a key step.
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Affiliation(s)
- Rachana Pandey
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 001, India
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 001, India
| | - Ranjana Prakash
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 001, India
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147 001, India
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12
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Crotti S, Di Iorio N, Mazzanti A, Righi P, Bencivenni G. Enantioselective Synthesis of Trifluoromethyl α,β-Unsaturated δ-Lactones via Vinylogous Aldol-Lactonization Cascade. J Org Chem 2018; 83:12440-12448. [DOI: 10.1021/acs.joc.8b01672] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Simone Crotti
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Nicola Di Iorio
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Andrea Mazzanti
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Paolo Righi
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
| | - Giorgio Bencivenni
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, 40136 Bologna, Italy
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13
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Li JL, Fu L, Wu J, Yang KC, Li QZ, Gou XJ, Peng C, Han B, Shen XD. Highly enantioselective synthesis of fused bicyclic dihydropyranones via low-loading N-heterocyclic carbene organocatalysis. Chem Commun (Camb) 2018; 53:6875-6878. [PMID: 28604911 DOI: 10.1039/c7cc02921g] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly diastereo and enantioselective [4+2] cycloadditions have been achieved between pyrrolidone-derived cyclic enones and α-haloaldehydes under mild conditions. Relying on extremely reactive in-situ generated chiral N-heterocyclic carbenes, this stereoselective annulation proceeds efficiently even on the gram scale with the catalyst loading as low as 0.025 mol% (250 ppm). A variety of cis-substituted bicyclic dihydropyranones can be produced in up to 96% yield with up to >99% ee. In addition, simple, inexpensive linear aldehydes such as n-propanal can be used directly in asymmetric cycloadditions via oxidative N-heterocyclic carbene organocatalysis with low catalyst loading. This method may provide an economical and practical approach for the asymmetric synthesis of medicinally relevant molecules.
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Affiliation(s)
- Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, P. R. China.
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14
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Affiliation(s)
- Reinhard W. Hoffmann
- Fachbereich Chemie der; Philipps Universität Marburg; Hans Meerwein Str. 4, D- 35032 Marburg Germany
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15
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Allred TK, Manoni F, Harran PG. Exploring the Boundaries of “Practical”: De Novo Syntheses of Complex Natural Product-Based Drug Candidates. Chem Rev 2017; 117:11994-12051. [DOI: 10.1021/acs.chemrev.7b00126] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tyler K. Allred
- Department of Chemistry and
Biochemistry, University of California−Los Angeles, 607 Charles
E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Francesco Manoni
- Department of Chemistry and
Biochemistry, University of California−Los Angeles, 607 Charles
E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Patrick G. Harran
- Department of Chemistry and
Biochemistry, University of California−Los Angeles, 607 Charles
E. Young Drive East, Los Angeles, California 90095-1569, United States
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16
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Ren Q, Li M, Yuan L. Expeditious assembly of fused dihydropyranones via N-heterocyclic carbene-catalyzed tandem Michael addition/lactonization. Org Biomol Chem 2017; 15:1329-1333. [DOI: 10.1039/c6ob02449a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A convergent and efficient NHC-catalyzed enantioselective tandem Michael addition/lactonization sequence of ynals with 1,2-dione is disclosed. This strategy expeditiously assembles the valuable optically active fused dihydropyranones in good to high yields and with excellent enantioselectivities.
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Affiliation(s)
- Qiao Ren
- College of Pharmaceutical Science
- Southwest University
- Chongqing 400715
- P. R. China
| | - Muyao Li
- College of Pharmaceutical Science
- Southwest University
- Chongqing 400715
- P. R. China
| | - Lujiang Yuan
- College of Pharmaceutical Science
- Southwest University
- Chongqing 400715
- P. R. China
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17
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Trigili C, Barasoain I, Sánchez-Murcia PA, Bargsten K, Redondo-Horcajo M, Nogales A, Gardner NM, Meyer A, Naylor GJ, Gómez-Rubio E, Gago F, Steinmetz MO, Paterson I, Prota AE, Díaz JF. Structural Determinants of the Dictyostatin Chemotype for Tubulin Binding Affinity and Antitumor Activity Against Taxane- and Epothilone-Resistant Cancer Cells. ACS OMEGA 2016; 1:1192-1204. [PMID: 30023505 PMCID: PMC6044705 DOI: 10.1021/acsomega.6b00317] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 11/28/2016] [Indexed: 05/21/2023]
Abstract
A combined biochemical, structural, and cell biology characterization of dictyostatin is described, which enables an improved understanding of the structural determinants responsible for the high-affinity binding of this anticancer agent to the taxane site in microtubules (MTs). The study reveals that this macrolide is highly optimized for MT binding and that only a few of the structural modifications featured in a library of synthetic analogues resulted in small gains in binding affinity. The high efficiency of the dictyostatin chemotype in overcoming various kinds of clinically relevant resistance mechanisms highlights its potential for therapeutic development for the treatment of drug-resistant tumors. A structural explanation is advanced to account for the synergy observed between dictyostatin and taxanes on the basis of their differential effects on the MT lattice. The X-ray crystal structure of a tubulin-dictyostatin complex and additional molecular modeling have allowed the rationalization of the structure-activity relationships for a set of synthetic dictyostatin analogues, including the highly active hybrid 12 with discodermolide. Altogether, the work reported here is anticipated to facilitate the improved design and synthesis of more efficacious dictyostatin analogues and hybrids with other MT-stabilizing agents.
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Affiliation(s)
- Chiara Trigili
- Chemical
and Physical Biology, Centro de Investigaciones
Biológicas, CSIC, Ramiro de Maeztu 9, E-28040 Madrid, Spain
| | - Isabel Barasoain
- Chemical
and Physical Biology, Centro de Investigaciones
Biológicas, CSIC, Ramiro de Maeztu 9, E-28040 Madrid, Spain
- E-mail: (J.F.D.)
| | - Pedro A. Sánchez-Murcia
- Área
de Farmacología, Departamento de Ciencias Biomédicas, Universidad de Alcalá, Unidad Asociada al IQM (CSIC), Alcalá de Henares, E-28871 Madrid, Spain
| | - Katja Bargsten
- Department
of Biology and Chemistry Laboratory of Biomolecular Research, Paul Scherrer Institut (PSI), 5232 Villigen, Switzerland
| | - Mariano Redondo-Horcajo
- Chemical
and Physical Biology, Centro de Investigaciones
Biológicas, CSIC, Ramiro de Maeztu 9, E-28040 Madrid, Spain
| | - Aurora Nogales
- Instituto
de Estructura de la Materia, Consejo Superior
de Investigaciones Científicas IEM-CSIC, Serrano 121, E-28006 Madrid, Spain
| | - Nicola M. Gardner
- University
Chemical Laboratory, University of Cambridge, Cambridge CB2 1EW, U.K.
| | - Arndt Meyer
- University
Chemical Laboratory, University of Cambridge, Cambridge CB2 1EW, U.K.
| | - Guy J. Naylor
- University
Chemical Laboratory, University of Cambridge, Cambridge CB2 1EW, U.K.
| | - Elena Gómez-Rubio
- Área
de Farmacología, Departamento de Ciencias Biomédicas, Universidad de Alcalá, Unidad Asociada al IQM (CSIC), Alcalá de Henares, E-28871 Madrid, Spain
| | - Federico Gago
- Área
de Farmacología, Departamento de Ciencias Biomédicas, Universidad de Alcalá, Unidad Asociada al IQM (CSIC), Alcalá de Henares, E-28871 Madrid, Spain
| | - Michel O. Steinmetz
- Department
of Biology and Chemistry Laboratory of Biomolecular Research, Paul Scherrer Institut (PSI), 5232 Villigen, Switzerland
| | - Ian Paterson
- University
Chemical Laboratory, University of Cambridge, Cambridge CB2 1EW, U.K.
| | - Andrea E. Prota
- Department
of Biology and Chemistry Laboratory of Biomolecular Research, Paul Scherrer Institut (PSI), 5232 Villigen, Switzerland
| | - J. Fernando Díaz
- Chemical
and Physical Biology, Centro de Investigaciones
Biológicas, CSIC, Ramiro de Maeztu 9, E-28040 Madrid, Spain
- E-mail: (I.B.)
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18
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Affiliation(s)
- Ian Paterson
- University Chemical Laboratory; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
| | - Simon Williams
- University Chemical Laboratory; University of Cambridge; Lensfield Road Cambridge CB2 1EW UK
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19
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Gomes NGM, Dasari R, Chandra S, Kiss R, Kornienko A. Marine Invertebrate Metabolites with Anticancer Activities: Solutions to the "Supply Problem". Mar Drugs 2016; 14:E98. [PMID: 27213412 PMCID: PMC4882572 DOI: 10.3390/md14050098] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 04/29/2016] [Accepted: 05/05/2016] [Indexed: 02/07/2023] Open
Abstract
Marine invertebrates provide a rich source of metabolites with anticancer activities and several marine-derived agents have been approved for the treatment of cancer. However, the limited supply of promising anticancer metabolites from their natural sources is a major hurdle to their preclinical and clinical development. Thus, the lack of a sustainable large-scale supply has been an important challenge facing chemists and biologists involved in marine-based drug discovery. In the current review we describe the main strategies aimed to overcome the supply problem. These include: marine invertebrate aquaculture, invertebrate and symbiont cell culture, culture-independent strategies, total chemical synthesis, semi-synthesis, and a number of hybrid strategies. We provide examples illustrating the application of these strategies for the supply of marine invertebrate-derived anticancer agents. Finally, we encourage the scientific community to develop scalable methods to obtain selected metabolites, which in the authors' opinion should be pursued due to their most promising anticancer activities.
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Affiliation(s)
- Nelson G M Gomes
- REQUIMTE/LAQV, Laboratory of Pharmacognosy, Department of Chemistry, Faculty of Pharmacy, University of Porto, R. Jorge Viterbo Ferreira No. 228, 4050-313 Porto, Portugal.
| | - Ramesh Dasari
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX 78666, USA.
| | - Sunena Chandra
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX 78666, USA.
| | - Robert Kiss
- Laboratoire de Cancérologie et de Toxicologie Expérimentale, Faculté de Pharmacie, Université Libre de Bruxelles, Campus de la Plaine, CP205/1, Boulevard du Triomphe, 1050 Brussels, Belgium.
| | - Alexander Kornienko
- Department of Chemistry and Biochemistry, Texas State University, San Marcos, TX 78666, USA.
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20
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Plesniak MP, Just-Baringo X, Ortu F, Mills DP, Procter DJ. SmCpR2-mediated cross-coupling of allyl and propargyl ethers with ketoesters and a telescoped approach to complex cycloheptanols. Chem Commun (Camb) 2016; 52:13503-13506. [DOI: 10.1039/c6cc07318b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A selective coupling of allyl/propargyl ethers and δ-ketoesters, mediated by SmCpR2, delivers δ-lactones, or complex cycloheptanols via a telescoped approach.
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Affiliation(s)
| | | | - Fabrizio Ortu
- School of Chemistry
- The University of Manchester
- Manchester
- UK
| | - David P. Mills
- School of Chemistry
- The University of Manchester
- Manchester
- UK
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21
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Kim HS, Woo TG, Lee HW. Synthesis of C5-C15 Subunit of Dictyostatin Using the Ring-Closing Metathesis Reaction of Silicon-tethered Intermediates. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hyoung-Sang Kim
- Department of Chemistry; Chungbuk National University; Cheongju 362-763 Korea
| | - Tae-Gu Woo
- Department of Chemistry; Chungbuk National University; Cheongju 362-763 Korea
| | - Hyo Won Lee
- Department of Chemistry; Chungbuk National University; Cheongju 362-763 Korea
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22
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Abstract
Microtubule-stabilizing agents (MSAs) have been highly successful in the treatment of cancer in the past 20years. To date, three classes of MSAs have entered the clinical trial stage or have been approved for clinical anticancer chemotherapy, and more than 10 classes of novel structural MSAs have been derived from natural resources. The microtubule typically contains two MSA-binding sites: the taxoid site and the laulimalide/peloruside site. All defined MSAs are known to bind at either of these sites, with subtle but significant differences. MSAs with different binding sites may produce a synergistic effect. Although having been extensively applied in the clinical setting, paclitaxel and other approved MSAs still pose many challenges such as multidrug resistance, low bioavailability, poor solubility, high toxicity, and low passage through the blood-brain barrier. A variety of studies focus on the structure-activity relationship in order to improve the pharmaceutical properties of these agents. Here, the mechanisms of action, advancements in pharmacological research, and clinical developments of defined MSAs during the past decade are discussed. The latest discovered MSAs are also briefly introduced in this review. The increasing number of natural MSAs indicates the potential discovery of more novel, natural MSAs with different structural bases, which will further promote the development of anticancer chemotherapy.
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Ren Q, Sun S, Huang J, Li W, Wu M, Guo H, Wang J. An enantioselective cascade reaction between α,β-unsaturated aldehydes and malonic half-thioesters: a rapid access to chiral δ-lactones. Chem Commun (Camb) 2015; 50:6137-40. [PMID: 24776538 DOI: 10.1039/c4cc01736f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We disclose a novel efficient enantioselective organocatalytic cascade reaction for the preparation of δ-lactones in good to excellent yields (69-93%) and with high to excellent enantioselectivities (88-96% ee).
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Affiliation(s)
- Qiao Ren
- Hubei Collaborative Innovation Centre for Non-power Nuclear Technology, College of Chemistry and Biological Sciences, Hubei University of Science and Technology, Hubei Province 437100, People's Republic China
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24
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Discodermolide. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/b978-0-08-100023-6.00003-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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25
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Davies AT, Pickett PM, Slawin AMZ, Smith AD. Asymmetric Synthesis of Tri- and Tetrasubstituted Trifluoromethyl Dihydropyranones from α-Aroyloxyaldehydes via NHC Redox Catalysis. ACS Catal 2014. [DOI: 10.1021/cs500667g] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Alyn T. Davies
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - Philip M. Pickett
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - Alexandra M. Z. Slawin
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - Andrew D. Smith
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
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26
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Hong J. Natural product synthesis at the interface of chemistry and biology. Chemistry 2014; 20:10204-12. [PMID: 25043880 DOI: 10.1002/chem.201402804] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Indexed: 01/15/2023]
Abstract
Nature has evolved to produce unique and diverse natural products that possess high target affinity and specificity. Natural products have been the richest sources for novel modulators of biomolecular function. Since the chemical synthesis of urea by Wöhler, organic chemists have been intrigued by natural products, leading to the evolution of the field of natural product synthesis over the past two centuries. Natural product synthesis has enabled natural products to play an essential role in drug discovery and chemical biology. With the introduction of novel, innovative concepts and strategies for synthetic efficiency, natural product synthesis in the 21st century is well poised to address the challenges and complexities faced by natural product chemistry and will remain essential to progress in biomedical sciences.
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Affiliation(s)
- Jiyong Hong
- Department of Chemistry, Duke University, Durham, North Carolina 27708 (USA), Fax: (+1) 919-660-1605.
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27
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Palanichamy K, Kaliappan KP. Synthesis of Saturated Six-Membered Ring Lactones. SYNTHESIS OF SATURATED OXYGENATED HETEROCYCLES I 2014. [DOI: 10.1007/978-3-642-41473-2_3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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28
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Ruiz C, Valderrama K, Zea S, Castellanos L. Mariculture and natural production of the antitumoural (+)-discodermolide by the Caribbean marine sponge Discodermia dissoluta. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2013; 15:571-583. [PMID: 23728846 DOI: 10.1007/s10126-013-9510-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2012] [Accepted: 03/26/2013] [Indexed: 06/02/2023]
Abstract
Biotechnological research on marine organisms, such as ex situ or in situ aquaculture and in vitro cell culture, is being conducted to produce bioactive metabolites for biomedical and industrial uses. The Caribbean marine sponge Discodermia dissoluta is the source of (+)-discodermolide, a potent antitumoural polyketide that has reached clinical trials. This sponge usually lives at depths greater than 30 m, but at Santa Marta (Colombia) there is a shallower population, which has made it logistically possible to investigate for the first time, on ways to supply discodermolide. We thus performed in situ, 6-month fragment culture trials to assess the performance of this sponge in terms of growth and additional discodermolide production and studied possible factors that influence the variability of discodermolide concentrations in the wild. Sponge fragments cultured in soft mesh bags suspended from horizontal lines showed high survivorship (93 %), moderate growth (28 % increase in volume) and an overall rise (33 %) in the discodermolide concentration, equivalent to average additional production of 8 μg of compound per millilitre of sponge. The concentration of discodermolide in wild sponges ranged from 8 to 40 μg mL(-1). Locality was the only factor related to discodermolide variation in the wild, and there were greater concentrations in peripheral vs. basal portions of the sponge, and in clean vs. fouled individuals. As natural growth and regeneration rates can be higher than culture growth rates, there is room for improving techniques to sustainably produce discodermolide.
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Affiliation(s)
- Cesar Ruiz
- Instituto de Investigaciones Marinas y Costeras-INVEMAR, Calle 25 2-55, Rodadero Sur - Playa Salguero, Santa Marta, Colombia
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29
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Karami B, Eskandari K, Khodabakhshi S. An efficient synthesis of new khellactone-type compounds using potassium hydroxide as catalyst via one-pot, three-component reaction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2013. [DOI: 10.1007/s13738-013-0333-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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30
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31
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32
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Stock C, Brückner R. Mild and High-Yielding Molybdenum(VI) Dichloride Dioxide-Catalyzed Formation of Mono-, Di-, Tri-, and Tetracarbamates from Alcohols and Aromatic or Aliphatic Isocyanates. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200303] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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33
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Gallon J, Esteban J, Bouzbouz S, Campbell M, Reymond S, Cossy J. Formal Synthesis of Dictyostatin and Synthesis of Two Dictyostatin Analogues. Chemistry 2012; 18:11788-97. [DOI: 10.1002/chem.201201001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 06/05/2012] [Indexed: 02/06/2023]
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34
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Xu Y, Kersten RD, Nam SJ, Lu L, Al-Suwailem AM, Zheng H, Fenical W, Dorrestein PC, Moore BS, Qian PY. Bacterial biosynthesis and maturation of the didemnin anti-cancer agents. J Am Chem Soc 2012; 134:8625-32. [PMID: 22458477 PMCID: PMC3401512 DOI: 10.1021/ja301735a] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The anti-neoplastic agent didemnin B from the Caribbean tunicate Trididemnum solidum was the first marine drug to be clinically tested in humans. Because of its limited supply and its complex cyclic depsipeptide structure, considerable challenges were encountered during didemnin B's development that continue to limit aplidine (dehydrodidemnin B), which is currently being evaluated in numerous clinical trials. Herein we show that the didemnins are bacterial products produced by the marine α-proteobacteria Tistrella mobilis and Tistrella bauzanensis via a unique post-assembly line maturation process. Complete genome sequence analysis of the 6,513,401 bp T. mobilis strain KA081020-065 with its five circular replicons revealed the putative didemnin biosynthetic gene cluster (did) on the 1,126,962 bp megaplasmid pTM3. The did locus encodes a 13-module hybrid non-ribosomal peptide synthetase-polyketide synthase enzyme complex organized in a collinear arrangement for the synthesis of the fatty acylglutamine ester derivatives didemnins X and Y rather than didemnin B as first anticipated. Imaging mass spectrometry of T. mobilis bacterial colonies captured the time-dependent extracellular conversion of the didemnin X and Y precursors to didemnin B, in support of an unusual post-synthetase activation mechanism. Significantly, the discovery of the didemnin biosynthetic gene cluster may provide a long-term solution to the supply problem that presently hinders this group of marine natural products and pave the way for the genetic engineering of new didemnin congeners.
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Affiliation(s)
- Ying Xu
- KAUST Global Collaborative Research, Division of Life Science, School of Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
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35
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Paterson I, Anderson EA, Dalby SM, Lim JH, Maltas P, Loiseleur O, Genovino J, Moessner C. The stereocontrolled total synthesis of spirastrellolide A methyl ester. Expedient construction of the key fragments. Org Biomol Chem 2012; 10:5861-72. [PMID: 22504866 DOI: 10.1039/c2ob25100k] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Due to a combination of their promising anticancer properties, limited supply from the marine sponge source and their unprecedented molecular architecture, spirastrellolides represent attractive and challenging synthetic targets. A modular strategy for the synthesis of spirastrellolide A methyl ester, which allowed for the initial stereochemical uncertainties in the assigned structure was adopted, based on the envisaged sequential coupling of a series of suitably functionalised fragments; in this first paper, full details of the synthesis of these fragments are described. The pivotal C26-C40 DEF bis-spiroacetal was assembled by a double Sharpless asymmetric dihydroxylation/acetalisation cascade process on a linear diene intermediate, configuring the C31 and C35 acetal centres under suitably mild acidic conditions. A C1-C16 alkyne fragment was constructed by application of an oxy-Michael reaction to introduce the A-ring tetrahydropyran, a Sakurai allylation to install the C9 hydroxyl, and a 1,4-syn boron aldol/directed reduction sequence to establish the C11 and C13 stereocentres. Two different coupling strategies were investigated to elaborate the C26-C40 DEF fragment, involving either a C17-C25 sulfone or a C17-C24 vinyl iodide, each of which was prepared using an Evans glycolate aldol reaction. The remaining C43-C47 vinyl stannane fragment required for introduction of the unsaturated side chain was prepared from (R)-malic acid.
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Affiliation(s)
- Ian Paterson
- University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
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36
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Wong FT, Khosla C. Combinatorial biosynthesis of polyketides--a perspective. Curr Opin Chem Biol 2012; 16:117-23. [PMID: 22342766 DOI: 10.1016/j.cbpa.2012.01.018] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Revised: 12/19/2011] [Accepted: 01/27/2012] [Indexed: 12/29/2022]
Abstract
Since their discovery, polyketide synthases have been attractive targets of biosynthetic engineering to make 'unnatural' natural products. Although combinatorial biosynthesis has made encouraging advances over the past two decades, the field remains in its infancy. In this enzyme-centric perspective, we discuss the scientific and technological challenges that could accelerate the adoption of combinatorial biosynthesis as a method of choice for the preparation of encoded libraries of bioactive small molecules. Borrowing a page from the protein structure prediction community, we propose a periodic challenge program to vet the most promising methods in the field, and to foster the collective development of useful tools and algorithms.
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Affiliation(s)
- Fong T Wong
- Department of Chemical Engineering, Stanford University, Stanford, CA 94305, United States
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37
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Winder PL, Pomponi SA, Wright AE. Natural products from the Lithistida: a review of the literature since 2000. Mar Drugs 2011; 9:2643-2682. [PMID: 22363244 PMCID: PMC3280575 DOI: 10.3390/md9122643] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Revised: 11/09/2011] [Accepted: 12/06/2011] [Indexed: 12/20/2022] Open
Abstract
Lithistid sponges are known to produce a diverse array of compounds ranging from polyketides, cyclic and linear peptides, alkaloids, pigments, lipids, and sterols. A majority of these structurally complex compounds have very potent and interesting biological activities. It has been a decade since a thorough review has been published that summarizes the literature on the natural products reported from this amazing sponge order. This review provides an update on the current taxonomic classification of the Lithistida, describes structures and biological activities of 131 new natural products, and discusses highlights from the total syntheses of 16 compounds from marine sponges of the Order Lithistida providing a compilation of the literature since the last review published in 2002.
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Affiliation(s)
- Priscilla L Winder
- Harbor Branch Oceanographic Institution at Florida Atlantic University, Center for Marine Biomedical and Biotechnology Research, 5600 US 1 North, Fort Pierce, FL 34946, USA
| | - Shirley A Pomponi
- Harbor Branch Oceanographic Institution at Florida Atlantic University, Center for Marine Biomedical and Biotechnology Research, 5600 US 1 North, Fort Pierce, FL 34946, USA
| | - Amy E Wright
- Harbor Branch Oceanographic Institution at Florida Atlantic University, Center for Marine Biomedical and Biotechnology Research, 5600 US 1 North, Fort Pierce, FL 34946, USA
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38
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de Lemos E, Agouridas E, Sorin G, Guerreiro A, Commerçon A, Pancrazi A, Betzer JF, Lannou MI, Ardisson J. Conception, Synthesis, and Biological Evaluation of Original Discodermolide Analogues. Chemistry 2011; 17:10123-34. [DOI: 10.1002/chem.201100675] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2011] [Indexed: 11/10/2022]
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39
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Rescue of neurons from undergoing hallmark tau-induced Alzheimer's disease cell pathologies by the antimitotic drug paclitaxel. Neurobiol Dis 2011; 43:163-75. [DOI: 10.1016/j.nbd.2011.03.008] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2010] [Revised: 02/14/2011] [Accepted: 03/06/2011] [Indexed: 11/18/2022] Open
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40
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Peed J, Periñán Domínguez I, Davies IR, Cheeseman M, Taylor JE, Kociok-Köhn G, Bull SD. Asymmetric Synthesis of Chiral δ-Lactones Containing Multiple Contiguous Stereocenters. Org Lett 2011; 13:3592-5. [PMID: 21671632 DOI: 10.1021/ol2012023] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jennifer Peed
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
| | - Ignacio Periñán Domínguez
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
| | - Iwan R. Davies
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
| | - Matt Cheeseman
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
| | - James E. Taylor
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
| | - Gabriele Kociok-Köhn
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
| | - Steven D. Bull
- Department of Chemistry, University of Bath, Bath, BA2 7AY, U.K., and Department of Chemical Crystallography, University of Bath, Bath, BA2 7AY, U.K
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41
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Paterson I, Dalby SM, Roberts JC, Naylor GJ, Guzmán EA, Isbrucker R, Pitts TP, Linley P, Divlianska D, Reed JK, Wright AE. Leiodermatolide, a potent antimitotic macrolide from the marine sponge Leiodermatium sp. Angew Chem Int Ed Engl 2011; 50:3219-23. [PMID: 21374771 PMCID: PMC3875319 DOI: 10.1002/anie.201007719] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2010] [Revised: 01/18/2011] [Indexed: 11/11/2022]
Abstract
Leiodermatolide is a structurally unique macrolide, isolated from the deep-water marine sponge Leiodermatium sp ., which exhibits potent antiproliferative activity against a range of human cancer cell lines (IC50 <10 nM) and dramatic effects on spindle formation in mitotic cells. Its unprecedented polyketide skeleton and stereochemistry were established using a combination of experimental and computational (DP4) NMR methods, and molecular modelling.
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Affiliation(s)
- Ian Paterson
- University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW, UK, Fax: (+44)1223-336362, Homepage: http://www-paterson.ch.cam.ac.uk/
| | - Stephen M. Dalby
- University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW, UK, Fax: (+44)1223-336362, Homepage: http://www-paterson.ch.cam.ac.uk/
| | - Jill C. Roberts
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - Guy J. Naylor
- University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW, UK, Fax: (+44)1223-336362, Homepage: http://www-paterson.ch.cam.ac.uk/
| | - Esther A. Guzmán
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - Richard Isbrucker
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - Tara P. Pitts
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - Pat Linley
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - Daniela Divlianska
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - John K. Reed
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
| | - Amy E. Wright
- Harbor Branch Oceanographic Institute at Florida Atlantic University, 5600 US 1 North, Fort Pierce, Florida, USA FL 34946, Fax: (+00)1-772-242-2332
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42
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Paterson I, Dalby SM, Maltas P. Strategy Evolution in the Total Synthesis of Spirastrellolide A Methyl Ester. Isr J Chem 2011. [DOI: 10.1002/ijch.201100007] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Paterson I, Dalby SM, Roberts JC, Naylor GJ, Guzmán EA, Isbrucker R, Pitts TP, Linley P, Divlianska D, Reed JK, Wright AE. Leiodermatolide, a Potent Antimitotic Macrolide from the Marine Sponge Leiodermatium sp. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201007719] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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44
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Jogalekar AS, Damodaran K, Kriel FH, Jung WH, Alcaraz AA, Zhong S, Curran DP, Snyder JP. Dictyostatin Flexibility Bridges Conformations in Solution and in the β-Tubulin Taxane Binding Site. J Am Chem Soc 2011; 133:2427-36. [DOI: 10.1021/ja1023817] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ashutosh S. Jogalekar
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Krishnan Damodaran
- Department of Chemistry, University of Pittsburgh, 1101 Chevron Science Center, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260-3900, United States
| | - Frederik H. Kriel
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Won-Hyuk Jung
- Department of Chemistry, University of Pittsburgh, 1101 Chevron Science Center, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260-3900, United States
| | - Ana A. Alcaraz
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Shi Zhong
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Dennis P. Curran
- Department of Chemistry, University of Pittsburgh, 1101 Chevron Science Center, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260-3900, United States
| | - James P. Snyder
- Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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Paterson I, Naylor GJ, Gardner NM, Guzmán E, Wright AE. Total synthesis and biological evaluation of a series of macrocyclic hybrids and analogues of the antimitotic natural products dictyostatin, discodermolide, and taxol. Chem Asian J 2011; 6:459-73. [PMID: 21254424 PMCID: PMC3050503 DOI: 10.1002/asia.201000541] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2010] [Indexed: 11/09/2022]
Abstract
The design, synthesis, and biological evaluation of a series of hybrids and analogues of the microtubule-stabilizing anticancer agents dictyostatin, discodermolide, and taxol is described. A 22-membered macrolide scaffold was prepared by adapting earlier synthetic routes directed towards dictyostatin and discodermolide, taking advantage of the distinctive structural and stereochemical similarities between these two polyketide-derived marine natural products. Initial endeavors towards accessing novel discodermolide/dictyostatin hybrids led to the adoption of a late-stage diversification strategy and the construction of a small library of methyl-ether derivatives, along with the first triple hybrids bearing the side-chain of taxol or taxotere attached through an ester linkage. Biological assays of the anti-proliferative activity of these compounds in a series of human cancer cell lines, including the taxol-resistant NCI/ADR-Res cell line, allowed the proposal of various structure-activity relationships. This led to the identification of a potent macrocyclic discodermolide/dictyostatin hybrid 12 and its C9 methoxy derivative 38, accessible by an efficient total synthesis and with a similar biological profile to dictyostatin.
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Affiliation(s)
- Ian Paterson
- University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW UK.
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46
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Exner CJ, Laclef S, Poli F, Turks M, Vogel P. Total Asymmetric Syntheses of β-Hydroxy-δ-lactones via Umpolung with Sulfur Dioxide. J Org Chem 2011; 76:840-5. [DOI: 10.1021/jo102035d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Claudia J. Exner
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Sylvain Laclef
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Florent Poli
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
| | - Maris Turks
- Faculty of Material Science and Applied Chemistry, Riga Technical University, LV-1048 Riga, Latvia
| | - Pierre Vogel
- Laboratory of Glycochemistry and Asymmetric Synthesis (LGSA), Swiss Federal Institute of Technology Lausanne (EPFL), Batochime, CH-1015 Lausanne, Switzerland
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47
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Ferreiro-Mederos L, Vila-Gisbert S, Urbano A, Carreño MC, Colobert F. Stereoselective synthesis of the C15-C26 fragment of the antitumor agent (-)-dictyostatin. Org Biomol Chem 2010; 9:758-64. [PMID: 21082125 DOI: 10.1039/c0ob00491j] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of the C15-C26 fragment of (-)-dictyostatin is reported in 10 steps and 28% overall yield. The key steps are the two stereoselective sulfoxide-directed processes: a Reformatsky-type reaction and a β-keto sulfoxide reduction.
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Affiliation(s)
- Leticia Ferreiro-Mederos
- Departamento de Química Orgánica (Módulo 01), Universidad Autónoma de Madrid, 28049, Madrid, Spain
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Zhu W, Jiménez M, Jung WH, Camarco DP, Balachandran R, Vogt A, Day BW, Curran DP. Streamlined syntheses of (-)-dictyostatin, 16-desmethyl-25,26-dihydrodictyostatin, and 6-epi-16-desmethyl-25,26-dihydrodictyostatin. J Am Chem Soc 2010; 132:9175-87. [PMID: 20545347 DOI: 10.1021/ja103537u] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The dictyostatins are a promising class of potential anti-cancer drugs because they are powerful microtubule-stabilizing agents, but the complexity of their chemical structures is a severe impediment to their further development. On the basis of both synthetic and medicinal chemistry analyses, 16-desmethyl-25,26-dihydrodictyostatin and its C6 epimer were chosen as potentially potent yet accessible dictyostatin analogues, and three new syntheses were developed. A relatively classical synthesis involving vinyllithium addition and macrocyclization gave way to a newer and more practical approach based on esterification and ring-closing metathesis reaction. Finally, aspects of these two approaches were combined to provide a third new synthesis based on esterification and Nozaki-Hiyama-Kishi reaction. This was used to prepare the target dihydro analogues and the natural product. All of the syntheses are streamlined because of their high convergency. The work provided several new analogues of dictyostatin, including a truncated macrolactone and a C10 E-alkene, which were 400- and 50-fold less active than (-)-dictyostatin, respectively. In contrast, the targeted 16-desmethyl-25,26-dihydrodictyostatin analogues retained almost complete activity in preliminary biological assays.
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Affiliation(s)
- Wei Zhu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
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49
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Yin Z, Yue X, Deng X, Qing F. A Practical Approach to Synthesize the C(9) -C(24) Fragment of (+)-Discodermolide. CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.201090240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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50
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Paterson I, Britton R, Delgado O, Gardner NM, Meyer A, Naylor GJ, Poullennec KG. Total synthesis of (−)-dictyostatin, a microtubule-stabilising anticancer macrolide of marine sponge origin. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.01.083] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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